package cn.tedu.sp06.filter;

import cn.tedu.web.util.JsonResult;
import com.netflix.zuul.ZuulFilter;
import com.netflix.zuul.context.RequestContext;
import com.netflix.zuul.exception.ZuulException;
import org.apache.commons.lang.StringUtils;
import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;

@Component
public class AccessFilter extends ZuulFilter {
    @Override
    public String filterType() {
        return FilterConstants.PRE_TYPE;
    }

    @Override
    public int filterOrder() {
        return 6;
    }

    @Override
    public boolean shouldFilter() {
        RequestContext cxt = RequestContext.getCurrentContext();
        String serviceId = (String) cxt.get(FilterConstants.SERVICE_ID_KEY);
        return  "item-service".equals(serviceId);
//        return  "user-service".equals(serviceId);

    }
    @Override
    public Object run() throws ZuulException {
        RequestContext cxt = RequestContext.getCurrentContext();
        HttpServletRequest request = cxt.getRequest();
        String token = request.getParameter("token");
        if (StringUtils.isBlank(token)){
            cxt.setSendZuulResponse(false);
            cxt.addZuulResponseHeader("Content-Type","application/json;charset=UTF-8");
            cxt.setResponseBody(JsonResult.
                    err().
                    code(400).
                    msg("未登录!!").
                    toString());
        }
        return null;
    }
}
